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hayzamjs
84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/*
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* Copyright (c) 2016-2021 Chuck Tuffli <chuck@tuffli.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _LIBSMART_PRIV_H
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#define _LIBSMART_PRIV_H
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/* OS-independent structures and definitions internal to libsmart */
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#define PAGE_ID_ATA_SMART_READ_DATA 0xd0 /* SMART Read Data */
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#define PAGE_ID_ATA_SMART_RET_STATUS 0xda /* SMART Return Status */
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#define PAGE_ID_SCSI_SUPPORTED_PAGES 0x00
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#define PAGE_ID_SCSI_WRITE_ERR 0x02 /* Write Error counter */
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#define PAGE_ID_SCSI_READ_ERR 0x03 /* Read Error counter */
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#define PAGE_ID_SCSI_VERIFY_ERR 0x05 /* Verify Error counter */
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#define PAGE_ID_SCSI_NON_MEDIUM_ERR 0x06 /* Non-Medium Error */
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#define PAGE_ID_SCSI_LAST_N_ERR 0x07 /* Last n Error events */
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#define PAGE_ID_SCSI_TEMPERATURE 0x0d /* Temperature */
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#define PAGE_ID_SCSI_START_STOP_CYCLE 0x0e /* Start-Stop Cycle counter */
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#define PAGE_ID_SCSI_INFO_EXCEPTION 0x2f /* Informational Exceptions */
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extern bool do_debug;
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#define dprintf(f, ...) if (do_debug) printf("dbg: " f, ## __VA_ARGS__)
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/* General information about the device */
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typedef struct smart_info_s {
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/* device supports SMART */
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uint32_t supported:1,
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/* storage protocol is tunneled (e.g. ATA inside SCSI) */
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tunneled:1,
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:30;
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/*
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* Device-provided information, including
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* - vendor name
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* - device / model
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* - firmware revision
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* - serial number
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* Protocols may provide a subset of this information
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*/
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char vendor[16], device[48], rev[16], serial[32];
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} smart_info_t;
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/* List of pages providing SMART/health data */
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typedef struct smart_page_list_s {
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uint32_t pg_count;
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struct {
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uint32_t id;
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size_t bytes;
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} pages[];
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} smart_page_list_t;
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/*
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* The device handle (i.e. smart_h) is an opaque pointer to memory containing
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* device/OS independent and dependent data. The library uses type punning to
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* isolate the OS-independent portion (struct smart_s) from the OS-dependent
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* details. Because of this, the device layer allocates and frees this memory.
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*/
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typedef struct smart_s {
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smart_protocol_e protocol;
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smart_info_t info;
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smart_page_list_t *pg_list;
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/* Device / OS specific follows this structure */
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} smart_t;
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/* Return a textual description of the ATA attribute */
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char * __smart_ata_desc(uint32_t page, uint32_t id);
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/* Return a textual description of the SCSI error attribute */
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char * __smart_scsi_err_desc(uint32_t id);
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#endif
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